BOTOX® (onabotulinumtoxinA) Treatment of Masseter Muscle Prominence
Public ClinicalTrials.gov record NCT03861936. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
BOTOX® (onabotulinumtoxinA) Treatment of Masseter Muscle Prominence: A Phase 2b, Multicenter, Randomized, Double-Blind, Multi-Dose, Placebo-Controlled Study
Study identification
- NCT ID
- NCT03861936
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Allergan
- Industry
- Enrollment
- 150 participants
Conditions and interventions
Conditions
Interventions
- Normal saline Drug
- OnabotulinumtoxinA Biological
Drug · Biological
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 15, 2019
- Primary completion
- Apr 2, 2020
- Completion
- Jul 1, 2020
- Last update posted
- Apr 27, 2021
2019 – 2020
United States locations
- U.S. sites
- 14
- U.S. states
- 10
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Total Skin & Beauty Dermatology Center, PC | Birmingham | Alabama | 35205 | — |
| Westside Aesthetics | Los Angeles | California | 90025 | — |
| Skin Care and Laser Physicians of Beverly Hills | Los Angeles | California | 90069 | — |
| Cosmetic Laser Dermatology | San Diego | California | 92121 | — |
| Baumann Cosmetic and Research Institute | Miami | Florida | 33137 | — |
| DeNova Research | Chicago | Illinois | 60611 | — |
| Etre, Cosmetic Dermatology and Laser Center | New Orleans | Louisiana | 70130 | — |
| Saint Louis University Dermatology | St Louis | Missouri | 63122 | — |
| Skin Specialists, PC | Omaha | Nebraska | 68144 | — |
| Nashville Centre for Laser and Facial Surgery | Nashville | Tennessee | 37203 | — |
| DermResearch, Inc. | Austin | Texas | 78759 | — |
| Bellaire Dermatology Associates | Bellaire | Texas | 77401 | — |
| Austin Institute for Clinical Research, Inc. | Pflugerville | Texas | 78660 | — |
| Advanced Clinical Research Gateway Aesthetic Institute & Laser Center | Salt Lake City | Utah | 84101 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03861936, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 27, 2021 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03861936 live on ClinicalTrials.gov.